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Finding the Fourth Proportional to 549,028.22, 823,518.08 and 149,669

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Solution

The fourth proportional to 549,028.22, 823,518.08 and 149,669 is: 224,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,028.22 : 823,518.08 = 149,669 : x
  2. Step 2: Convert to fraction form
    549,028.22/823,518.08 = 149,669/x
  3. Step 3: Cross multiply
    549,028.22x = 823,518.08 × 149,669
  4. Step 4: Simplify right side
    549,028.22x = 123,255,127,515.52
  5. Step 5: Solve for x
    x = 123,255,127,515.52/549,028.22
  6. Step 6: Final answer
    x = 224,496.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.